Hello Andrew,
On 09/13/2014 12:13 AM, Andrew Morton wrote:
> On Fri, 12 Sep 2014 10:17:43 +0200 Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx> wrote:
>
>> The MAX7802 PMIC has a Real-Time-Clock (RTC) with two alarms.
>> This patch adds support for the RTC and is based on a driver
>> added by Simon Glass to the Chrome OS kernel 3.8 tree.
>>
>> Signed-off-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
>> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
>
> Would it be appropriate to gather Simon's signoff?
>
I don't know. The original driver written by Simon supported 2 devices:
max77686 and max77802. I split the max77802 bits and addressed all the issues
pointed out on early revisions so even when Simon is mentioned as the
MODULE_AUTHOR(), I didn't know if he would like his s-o-b to remain in the
patch since it was quite different than the original one from which was based.
>> +static inline int max77802_rtc_calculate_wday(u8 shifted)
>> +{
>> + int counter = -1;
>> +
>> + while (shifted) {
>> + shifted >>= 1;
>> + counter++;
>> + }
>
> Can't use log2() or similar?
>
Yes, ffs() - 1 can be used instead of this function indeed.
I see that you already included this patch to your -mm tree [0]. Does it mean
that I've to send a follow-up patch on top of this to remove this function or
should I send a new version of this patch?
Best regards,
Javier
[0]:
http://ozlabs.org/~akpm/mmots/broken-out/rtc-add-driver-for-maxim-77802-pmic-real-time-clock.patch
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